From 55d67ce5e91c97159fe4020ee04cc0f265b8b3a3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?C=C3=A9dric=20Krier?= <ced@b2ck.com>
Date: Sun, 31 Mar 2013 23:35:47 +0200
Subject: [PATCH] Fix difference split

issue3101
review741003
(transplanted from c86514d3c5297ee51e25c358035357c0afab8d93)
---
 stock.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/stock.py b/stock.py
index 657f81c80e..6554d4b78b 100644
--- a/stock.py
+++ b/stock.py
@@ -138,7 +138,7 @@ class ShipmentIn(Model):
             move = cost['move']
             quantity = Decimal(str(move.quantity))
             if exp * quantity < difference:
-                cost['unit_shipment_cost'] = unit_shipment_cost + exp
+                cost['unit_shipment_cost'] += exp
                 difference -= exp * quantity
             if difference < exp:
                 break